<template>
  <div>
    <el-card class="box-card">
      <div slot="header" class="clearfix header-box">
        <span>文章分类</span>
        <el-button type="primary" size="mini" @click="addCateVisible=true">添加分类</el-button>
      </div>
      <el-table :data="cateList" style="width: 100%" border stripe>
        <el-table-column type="index" label="序号" width="180">
        </el-table-column>
        <el-table-column prop="cate_name" label="分类名称">
        </el-table-column>
        <el-table-column prop="cate_alias" label="分类别名">
        </el-table-column>
        <el-table-column label="操作">
          <template v-slot="scope">
            <el-button size="mini" type="primary" @click="showEditDialog(scope.row)">修改</el-button>
            <el-button size="mini" type="danger" @click="dle(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </el-card>

    <!-- 添加分类 -->
    <el-dialog title="添加分类" :visible.sync="addCateVisible" width="30%" @closed="onAddCateClosed">
      <el-form :model="addForm" :rules="addRules" ref="addFormRef" label-width="70px">
        <el-form-item label="分类名称" prop="cate_name">
          <el-input v-model="addForm.cate_name"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input v-model="addForm.cate_alias"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addCateVisible = false">取 消</el-button>
        <el-button type="primary" @click="addCate">添 加</el-button>
      </span>
    </el-dialog>

    <!-- 修改分类 -->
    <el-dialog title="编辑文章分类" :visible.sync="editCateVisible" width="30%">
      <el-form :model="editCateForm" :rules="addRules" ref="editCateFormRef" label-width="70px">
        <el-form-item label="分类名称" prop="cate_name">
          <el-input v-model="editCateForm.cate_name"></el-input>
        </el-form-item>
        <el-form-item label="分类别名" prop="cate_alias">
          <el-input v-model="editCateForm.cate_alias"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editCateVisible = false">取 消</el-button>
        <el-button type="primary" @click="editCate">添 加</el-button>
      </span>
    </el-dialog>

  </div>
</template>

<script>
export default {
  name: 'ArtCate',
  data () {
    return {
      cateList: [],
      //添加
      addCateVisible: false,
      //修改
      editCateVisible: false,
      // 添加表单的数据对象
      addForm: {
        cate_name: '',
        cate_alias: ''
      },
      editCateForm: {},
      // 添加表单的验证规则对象
      addRules: {
        cate_name: [
          { required: true, message: '请输入分类名称', trigger: 'blur' },
          { pattern: /^\S{1,10}$/, message: '分类名必须是1-10位的非空字符', trigger: 'blur' }
        ],
        cate_alias: [
          { required: true, message: '请输入分类别名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{1,15}$/, message: '分类别名必须是1-15位的字母数字', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    async getArtCate () {
      const { data: res } = await this.$http('/my/cate/list')
      if (res.code !== 0) return this.$message.error(res.$message)
      this.cateList = res.data
    },
    onAddCateClosed () {
      this.$refs.addFormRef.resetFields()
    },
    addCate () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http({
          method: 'post',
          url: '/my/cate/add',
          data: {
            ... this.addForm
          }
        })
        if (res.code !== 0) return

        this.$message.success(res.message)

        this.getArtCate()

        this.addCateVisible = false
      })
    },
    //删除分类
    dle (id) {
      this.$confirm('此操作将删除分类, 是否继续?', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.$http({
          method: 'delete',
          url: '/my/cate/del',
          params: {
            id
          }
        }).then(({ data: res }) => {
          if (res.code !== 0) return this.$message.error(res.message)
          this.$message.success(res.message)
          this.getArtCate()
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    },
    //修改分类
    showEditDialog (obj) {
      this.editCateVisible = true
      this.editCateForm = { ...obj }
    },
    //显示编辑窗口
    editCate () {
      this.$refs.editCateFormRef.validate(valid => {
        if (!valid) return
        this.$http({
          method: 'put',
          url: '/my/cate/info',
          data: {
            ...this.editCateForm
          }
        }).then(({ data: res }) => {
          if (res.code !== 0) return this.$message.error(res.message)
          this.$message.success(res.message)
          this.getArtCate()
          this.editCateVisible = false
        })
      })
    }
  },
  created () {
    this.getArtCate()
  }
}
</script>

<style lang="less" scoped>
.header-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
</style>
